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(12) Patent: | (11) CA 2634732 |
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(54) English Title: | EXHAUST CASING HUB HAVING STRESS DISTRIBUTION RIBS |
(54) French Title: | MOYEU DE CARTER D'ECHAPPEMENT COMPORTANT DES NERVURES DE REPARTITION DE CONTRAINTES |
Status: | Granted |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | LAVERY, DE BILLY, LLP |
(74) Associate agent: | |
(45) Issued: | 2014-12-30 |
(22) Filed Date: | 2008-06-10 |
(41) Open to Public Inspection: | 2008-12-13 |
Examination requested: | 2013-05-17 |
Availability of licence: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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An exhaust casing hub including a hub center (6) an upstream flange (8) and a downstream flange (10) arranged on each side of the hub center. Each flange ends in a flange (12). A plurality of cuffs (14) is arranged around the hub center (6) forming a tangential angle of 10.degree to 80.degree and ideally between 15.degree and 75.degree, in a radial direction. At least one rib is formed at the base of each cuff (14) below a critical stress area (26) in the cuff. The rib is linked to the downstream flange by a downstream end and to the upstream flange by an upstream end.
Un moyeu de carter d'échappement comprend
un centre de moyeu (6), un flasque amont (8) et un
flasque aval (10) disposés de part et d'autre du centre
de moyeu. Chaque flasque se termine par une bride (12).
Une pluralité de manchettes (14) est disposée sur le
centre de moyeu (6) formant un angle de la tangente
vers la direction radiale de 10° à 80° et de préférence
de 15° à 75°. Au moins une nervure est formée à la base
de chaque manchette (14) en dessous d'une zone de
contrainte critique (26) dans la manchette. La nervure
est raccordée au flasque aval par une extrémité aval et
au flasque amont par une extrémité amont.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
For a clearer understanding of the status of the application/patent presented on this page, the site Disclaimer , as well as the definitions for Patent , Administrative Status , Maintenance Fee and Payment History should be consulted.
Title | Date |
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Forecasted Issue Date | 2014-12-30 |
(22) Filed | 2008-06-10 |
(41) Open to Public Inspection | 2008-12-13 |
Examination Requested | 2013-05-17 |
(45) Issued | 2014-12-30 |
There is no abandonment history.
Last Payment of $473.65 was received on 2023-12-14
Upcoming maintenance fee amounts
Description | Date | Amount |
---|---|---|
Next Payment if small entity fee | 2025-06-10 | $253.00 |
Next Payment if standard fee | 2025-06-10 | $624.00 |
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
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web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Amount Paid | Paid Date |
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Registration of a document - section 124 | $100.00 | 2008-06-10 | ||
Application Fee | $400.00 | 2008-06-10 | ||
Maintenance Fee - Application - New Act | 2 | 2010-06-10 | $100.00 | 2010-05-21 |
Maintenance Fee - Application - New Act | 3 | 2011-06-10 | $100.00 | 2011-05-26 |
Maintenance Fee - Application - New Act | 4 | 2012-06-11 | $100.00 | 2012-05-25 |
Request for Examination | $800.00 | 2013-05-17 | ||
Maintenance Fee - Application - New Act | 5 | 2013-06-10 | $200.00 | 2013-05-29 |
Maintenance Fee - Application - New Act | 6 | 2014-06-10 | $200.00 | 2014-05-26 |
Final Fee | $300.00 | 2014-09-12 | ||
Maintenance Fee - Patent - New Act | 7 | 2015-06-10 | $200.00 | 2015-05-25 |
Maintenance Fee - Patent - New Act | 8 | 2016-06-10 | $200.00 | 2016-05-27 |
Maintenance Fee - Patent - New Act | 9 | 2017-06-12 | $200.00 | 2017-05-23 |
Maintenance Fee - Patent - New Act | 10 | 2018-06-11 | $250.00 | 2018-05-23 |
Maintenance Fee - Patent - New Act | 11 | 2019-06-10 | $250.00 | 2019-06-03 |
Maintenance Fee - Patent - New Act | 12 | 2020-06-10 | $250.00 | 2020-05-25 |
Maintenance Fee - Patent - New Act | 13 | 2021-06-10 | $255.00 | 2021-05-19 |
Maintenance Fee - Patent - New Act | 14 | 2022-06-10 | $254.49 | 2022-05-18 |
Maintenance Fee - Patent - New Act | 15 | 2023-06-12 | $473.65 | 2023-05-24 |
Maintenance Fee - Patent - New Act | 16 | 2024-06-10 | $473.65 | 2023-12-14 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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SNECMA |
Past Owners on Record |
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BADER, VALENTINE |
MARNAS, LAURENT PIERRE ELYSEE GASTON |
POMMIER, NICOLAS |
SCHNELL, CHRISTIAN RENE |